Security Architect

Leidos Inc; Reston (VA); Hybrid; USD 154,000 - 278,000; Full time

Benefits offered by this job

Health and Wellness programs

Income Protection

Paid Leave and Retirement

Job summary

Leidos is seeking a Security Engineer Solution Architect with TS/SCI for a Defense Intelligence Enterprise project. You will lead RMF/ATO processes, craft secure cloud solutions, and coordinate with DoD stakeholders to ensure ATO readiness.

Join a mission-focused team delivering an Enterprise AI Platform and Digital Services Framework, guiding security policy, incident response, and cross-domain integration across NCR sites and remote work.

Qualifications

• Bachelor's degree and extensive DoD RMF/ATO experience.
• DoD 8570 II certification or equivalent security credentials.
• Expertise in NIST SP and RMF security controls.
• Hands-on cloud security and secure engineering in Agile environments.
• Proven leadership of cyber security engineering teams.

Responsibilities

• Provide guidance to streamline ATO management with engineering solutions.
• Lead architecture and implementation of security, governance, and accreditation models.
• Offer expert technical guidance on security solutions to team members.
• Interact with client CIO and security POCs.
• Create and maintain security policies and procedures.
• Provide OS hardening and patching guidance per DISA STIGs/NIST.
• Analyze security incidents and recommend resolutions.
• Demonstrate strong software development knowledge in Agile settings.
• Manage project priorities, deliverables, and deadlines.
• Foster collaboration across teams to deliver quality security services.

Skills

Security leadership

RMF expertise

NIST SP

8570 II certs

Cloud security

ATO processes

Collaboration

Communication

DevSecOps

Education

Bachelor's degree

Master's degree

Tools

Tenable Security Center

Jira

Confluence

Kubernetes

CI/CD: Jenkins

GitLab

Cloudera

Active Directory

SQL/NoSQL

Python

Job description

Description

Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.

Leidos has an exciting opening for you as our next TS/SCI Security Engineer Solution Architect supporting the creation of an Enterprise AI Platform and Digital Services Framework for a Defense Intelligence Enterprise (DIE) client. Have impact as part of a mission focused, solutions oriented, and adaptive team that values innovation, collaboration, and professional development. As the Security Engineering Solution Architect, your job is to provide technical security expertise in a primarily cloud infrastructure with focus on leading teams through the Risk Management Framework to system ATOs across multiple domains. You will lean on your experience with security technologies and industry best practices while employing effective security solutions. You are a demonstrated leader, skilled at achieving cross functional collaboration in a dynamic and fast paced environment. Work will be conducted both remotely and on-site at several locations, primarily but not exclusively within the National Capital Region (NCR).

As an integral member of the team, you will work closely with Program Management, Security and System Engineers on the following key tasks:

• Provide expert guidance to enable streamlining ATO management processes with engineering solutions and best practice efficiencies

• Lead solution architecture and implementation of streamlined security, governance, and accreditation support model, including automation of compliance processes

• Provide expert technical guidance to team members while employing security solutions

• Directly interact with client CIO and Security POCs

• Create, improve, and maintain security policies and procedures

• Provide operating system hardening and system patching guidance based on DISA STIGs and NIST publications

• Analyze security incidents and provide recommendations for resolution

• Strong knowledge and experience in software development in an Agile environment

• Manage individual project priorities, deliverables, and deadlines.

• Foster an environment of collaboration with the different team members in the goal of providing quality service and product to our customer.

You demonstrate a solid understanding of security best practices and meet the following qualifications:

• BS degree and 15+ years of prior relevant experience or Masters with 15+ years of prior relevant experience

• An active TS/SCI clearance with the ability to obtain/maintain a Polygraph

• Have at least one of the following DoD 8570.01-M IASAE Level II certifications: CISSP, CISSP-ISSAP, CISSP-ISSEP, CSSLP, or CASP+ CE. NOTE: the CISSP Associate is not acceptable

• Familiarity with NIST Special Publications e.g. NIST SP 800-27, 30, 37, 53, 60

• Experience with CNSS publication CNSSI 1253

• Experience supporting DoD/IC systems through the entire Risk Management Framework Plus (RMF) process to ATO

• Experience with incident response plans, plans of actions and milestones (POA&Ms), risk management plans, and vulnerability management plans

• Experience establishing and maintaining a System Security Engineering (SSE) management process to integrate security and privacy controls into complex hardware and software systems

• Experience managing a team of Cyber Security Engineers (CSEs) and Information System Security Officers (ISSOs)

• Experience using Tenable Security Center and all components

• Experience with technologies such as Linux, Windows, firewalls, gateways, proxies, VPCs, and public key infrastructure.

• Strong analytical, communication, problem-solving, and interpersonal skills

You will wow us even more if you have some of these:

• An active TS/SCI clearance with Poly

• Certified Scrum Master (CSM) or SAFe Scrum Master (SSM) certification

• Successfully achieved ATO under RMF+ across multiple domains

• Experience working in Agile and DevOpsSec environments

• Experience with big data applications

• Experience with Jira and Confluence

• Experience with OIDC or Oauth2

• Experience with any of the following technologies:

  • Kubernetes, Rancher, or Cloudera containerization technologies

  • CI/CD tools like Jenkins or Gitlab

  • Elasticsearch

  • Active Directory

  • SQL and NoSQL databases

  • Scripting languages like bash, python, or PowerShell

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave and Retirement

More details are available at www.leidos.com/careers/pay-benefits.

Pay Range $154,050.00 - $278,475.00

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.